Who said you can't make a fashionable statement with an off-duty look? You can do that easily in a dark green crew-neck t-shirt and navy chinos. If you're on the fence about how to round off, a pair of white and navy leather low top sneakers is a tested option. Overall, a good example of casual fashion for men in their forties.
You'll be surprised at how easy it is for any gent to get dressed like this. Just a dark green crew-neck t-shirt and grey vertical striped wool chinos. White and navy leather low top sneakers integrate nicely within a great deal of looks. Laid-back outfits for stylish guys over 40 aren't actually that hard, as you can see.